mysqli_stmt_data_seek

(PHP 5)

mysqli_stmt_data_seek

(no version information, might be only in CVS)

stmt->data_seek -- Seeks to an arbitray row in statement result set

Description

Procedural style:

void mysqli_stmt_data_seek ( mysqli_stmt statement, int offset )

Object oriented style (method):

class mysqli_stmt {

void data_seek ( int offset )

}

The mysqli_stmt_data_seek() function seeks to an arbitrary result pointer specified by the offset in the statement result set represented by statement. The offset parameter must be between zero and the total number of rows minus one (0..mysqli_stmt_num_rows() - 1).

Return Values

Returns NULL on success or FALSE on failure.

Zie ook

mysqli_prepare().

Voorbeelden

Voorbeeld 1. Object oriented style

<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if (
$stmt = $mysqli->prepare($query)) {

    
/* execute query */
    
$stmt->execute();

    
/* bind result variables */
    
$stmt->bind_result($name, $code);

    
/* store result */
    
$stmt->store_result();

    
/* seek to row no. 400 */
    
$stmt->data_seek(399);

    
/* fetch values */
    
$stmt->fetch();

    
printf ("City: %s  Countrycode: %s\n", $name, $code);

    
/* close statement */
    
$stmt->close();
}

/* close connection */
$mysqli->close();
?>

Voorbeeld 2. Procedural style

<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if (
$stmt = mysqli_prepare($link, $query)) {

    
/* execute query */
    
mysqli_stmt_execute($stmt);

    
/* bind result variables */
    
mysqli_stmt_bind_result($stmt, $name, $code);

    
/* store result */
    
mysqli_stmt_store_result($stmt);

    
/* seek to row no. 400 */
    
mysqli_stmt_data_seek($stmt, 399);

    
/* fetch values */
    
mysqli_stmt_fetch($stmt);

    
printf ("City: %s  Countrycode: %s\n", $name, $code);

    
/* close statement */
    
mysqli_stmt_close($stmt);
}

/* close connection */
mysqli_close($link);
?>

Het resultaat van dit script is als volgt:

City: Benin City  Countrycode: NGA